Home / 7,518.94-10,376.04-4,161.50

Finding the Fourth Proportional to 7,518.94, 10,376.04 and 4,161.50

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Solution

The fourth proportional to 7,518.94, 10,376.04 and 4,161.50 is: 5,742.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.94 : 10,376.04 = 4,161.50 : x
  2. Step 2: Convert to fraction form
    7,518.94/10,376.04 = 4,161.50/x
  3. Step 3: Cross multiply
    7,518.94x = 10,376.04 × 4,161.50
  4. Step 4: Simplify right side
    7,518.94x = 43,179,890.46
  5. Step 5: Solve for x
    x = 43,179,890.46/7,518.94
  6. Step 6: Final answer
    x = 5,742.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.